63481849 has 2 divisors, whose sum is σ = 63481850. Its totient is φ = 63481848.

The previous prime is 63481829. The next prime is 63481879. The reversal of 63481849 is 94818436.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49843600 + 13638249 = 7060^2 + 3693^2 .

It is a cyclic number.

It is not a de Polignac number, because 63481849 - 2¹⁵ = 63449081 is a prime.

It is not a weakly prime, because it can be changed into another prime (63481829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31740924 + 31740925.

It is an arithmetic number, because the mean of its divisors is an integer number (31740925).

Almost surely, 2^63481849 is an apocalyptic number.

It is an amenable number.

63481849 is a deficient number, since it is larger than the sum of its proper divisors (1).

63481849 is an equidigital number, since it uses as much as digits as its factorization.

63481849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 43.

The square root of 63481849 is about 7967.5497488249. The cubic root of 63481849 is about 398.9175923763.

The spelling of 63481849 in words is "sixty-three million, four hundred eighty-one thousand, eight hundred forty-nine".